Update CHANGELOG.md (#135)

tag v0.7.1 (#118)

tag v0.7

change version to 0.6.1

Merge pull request #62 from samuelstjean/buildbots_v06

Buildbots v06

Merge pull request #37 from samuelstjean/release_0_5_1

tag v0.5.1

Merge pull request #33 from samuelstjean/apple_veclib_fix

the big refactor release

Merge pull request #23 from samuelstjean/save_original_header

Save original header in final nifti file

Add version 0.3 to setup.py

Merge pull request #18 from samuelstjean/fix_memmap_bug

fix the numpy memmap keepdim bug